Chop the tomatoes, shred the cheese and set aside.
Mix scallops, lime juice, olive oil, yellow peppers and garlic in a bowl.
Grill until scallops are cooked through.
Preheat oven to 350 degrees F.
Place 2 tortillas on a baking sheet.
Top each with scallops, tomatoes, peppers, and cheese.
Cover with another tortilla and bake 15-20 minutes to melt cheese.
Remove from oven and slice each quesadilla into 4 slices.
Serve with salsa or guacamole.
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